MOA 2023-BLG-477

Event Parameters

Internal ID:gb5-R-7-233921
Discovery date:2023-10-18T11:51:31
RA:17:54:27.23
Dec:-29:45:08.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
152327 17:54:27.39 -29:45:08.41 15.38 ± 0.17 2.74
152519 17:54:27.03 -29:45:04.83 17.27 ± 0.24 4.64
152520 17:54:27.13 -29:45:08.03 17.50 ± 0.23 1.12
152521 17:54:26.98 -29:45:10.97 17.78 ± 0.27 3.63

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 17.46 ± 0.33 5.03
2460611.918 (2024-Oct-28.418) 17.59 ± 0.96 5.68
2460614.862 (2024-Oct-31.362) 17.48 ± 0.67 5.53
2460614.868 (2024-Oct-31.368) 99.99 ± 99.99 4.81
2460614.872 (2024-Oct-31.372) 17.77 ± 0.28 4.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 9094.94)

Single lens fit parameters

tmax =JD 2460233.08 ± 0.04 UT (2023-Oct-15.58)
tE =15.99 ± 1.97 days
u0 =0.0630 ± 0.0203
Ibase =19.00 ± 0.43

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice